A literary icon of the highest order, Dame Agatha Christie is the best-selling novelist of all time, according to the Guinness Book of World Records. Her debut novel, The Mysterious Affair at Styles, introduces Belgian sleuth Hercule Poirot. Here, his deductive skills are put to the ultimate test when the wealthy Emily Inglethorpe is poisoned. But the question is: Who among the numerous suspects could have entered and escaped the victim's locked bedroom to commit the crime?